如何按Key汇总词频并生成关联词列表用于词相似度计算？

没问题，我已经帮你把给定的字典列表转换成了符合要求的词频汇总与关联词格式，具体内容如下：

river 4 ground:1 journey:1 longitude:1 main:1 world--four:1 contrary:1 cover:1 delaware:1 remarkable:1 vast:1 forty-five:1 crookedest:1 territories:1 spread:1 country:1 longest:1 fly:1 atlantic:1 crow:1 supply:1 seems:1 idaho:1 seaboard:1 states:1 ways:1 degrees:1 part:1 twenty-eight:1 pacific:1 branch:1 water:1 considering:1 six:1 safe:1 commonplace:1 draws:1 drainage-basin::1 uses:1 seventy-five:1 slope--a:1 missouri:1
mississippi 3 area:1 steamboats:1 germany:1 reading:1 france:1 proper:1 fifty-four:1 turkey:1 exceptionally:1 areas:1 carries:1 combined:1 flats:1 receives:1 england:1 italy:1 scotland:1 wales:1 almost:1 navigable:1 austria:1 region:1 wide:1 spain:1 subordinate:1 drainage-basin:1 hundreds:1 keels:1 portugal:1 water:1 gulf:1 ireland:1 rivers:1 valley:1 fertile:1 worth:1
water 3 steamboats:1 spread:1 country:1 states:1 longitude:1 fifty-four:1 pacific:1 vast:1 subordinate:1 carries:1 keels:1 flats:1 supply:1 receives:1 atlantic:1 forty-five:1 river:1 rivers:1 idaho:1 mississippi:1 seaboard:1 navigable:1 discharges:1 degrees:1 twenty-eight:1 drainage-basin::1 hundreds:1 st:1 gulf:1 draws:1 delaware:1 territories:1 slope--a:1
drainage-basin: 1 river:1 vast:1 draws:1 water:1 supply:1 twenty-eight:1 states:1 territories:1 delaware:1 atlantic:1 seaboard:1 country:1 idaho:1 pacific:1 slope--a:1 spread:1 forty-five:1 degrees:1 longitude:1
drainage-basin 1 area:1 combined:1 areas:1 england:1 wales:1 scotland:1 ireland:1 france:1 spain:1 portugal:1 germany:1 austria:1 italy:1 turkey:1 almost:1 wide:1 region:1 fertile:1 mississippi:1 valley:1 proper:1 exceptionally:1
area 1 drainage-basin:1 combined:1 areas:1 england:1 wales:1 scotland:1 ireland:1 france:1 spain:1 portugal:1 germany:1 austria:1 italy:1 turkey:1 almost:1 wide:1 region:1 fertile:1 mississippi:1 valley:1 proper:1 exceptionally:1
journey 1 ground:1 seems:1 part:1 cover:1 crow:1 crookedest:1 six:1 safe:1 uses:1 seventy-five:1 river:1 fly:1
seems 1 ground:1 journey:1 part:1 cover:1 crow:1 crookedest:1 six:1 safe:1 uses:1 seventy-five:1 river:1 fly:1
states 1 spread:1 country:1 degrees:1 longitude:1 twenty-eight:1 drainage-basin::1 vast:1 forty-five:1 water:1 seaboard:1 pacific:1 draws:1 delaware:1 territories:1 atlantic:1 supply:1 slope--a:1 river:1 idaho:1
slope--a 1 spread:1 country:1 states:1 degrees:1 longitude:1 drainage-basin::1 vast:1 forty-five:1 water:1 seaboard:1 pacific:1 draws:1 delaware:1 territories:1 atlantic:1 supply:1 twenty-eight:1 river:1 idaho:1
remarkable 1 contrary:1 river:1 commonplace:1 ways:1
vast 1 spread:1 country:1 states:1 degrees:1 longitude:1 twenty-eight:1 drainage-basin::1 pacific:1 forty-five:1 water:1 seaboard:1 draws:1 delaware:1 territories:1 atlantic:1 supply:1 slope--a:1 river:1 idaho:1
forty-five 1 spread:1 longitude:1 country:1 states:1 degrees:1 slope--a:1 drainage-basin::1 vast:1 pacific:1 water:1 seaboard:1 draws:1 delaware:1 territories:1 atlantic:1 supply:1 twenty-eight:1 river:1 idaho:1
crookedest 1 ground:1 journey:1 seems:1 part:1 cover:1 crow:1 six:1 safe:1 uses:1 seventy-five:1 river:1 fly:1
carries 1 mississippi:1 steamboats:1 navigable:1 fifty-four:1 keels:1 hundreds:1 subordinate:1 water:1 gulf:1 flats:1 rivers:1 receives:1
germany 1 area:1 drainage-basin:1 combined:1 areas:1 england:1 wales:1 scotland:1 ireland:1 france:1 spain:1 portugal:1 austria:1 italy:1 turkey:1 almost:1 wide:1 region:1 fertile:1 mississippi:1 valley:1 proper:1 exceptionally:1
worth 1 mississippi:1 reading:1
reading 1 mississippi:1 worth:1
commonplace 1 river:1 contrary:1 ways:1 remarkable:1
contrary 1 river:1 commonplace:1 ways:1 remarkable:1
ways 1 river:1 commonplace:1 contrary:1 remarkable:1
considering 1 missouri:1 main:1 branch:1 longest:1 river:1 world--four:1
missouri 1 considering:1 main:1 branch:1 longest:1 river:1 world--four:1
main 1 considering:1 missouri:1 branch:1 longest:1 river:1 world--four:1
branch 1 considering:1 missouri:1 main:1 longest:1 river:1 world--four:1
longest 1 considering:1 missouri:1 main:1 branch:1 river:1 world--four:1
world--four 1 considering:1 missouri:1 main:1 branch:1 longest:1 river:1
safe 1 seems:1 crookedest:1 river:1 part:1 journey:1 uses:1 cover:1 ground:1 crow:1 fly:1 six:1 seventy-five:1
part 1 seems:1 safe:1 crookedest:1 river:1 journey:1 uses:1 cover:1 ground:1 crow:1 fly:1 six:1 seventy-five:1
uses 1 seems:1 safe:1 crookedest:1 river:1 part:1 journey:1 cover:1 ground:1 crow:1 fly:1 six:1 seventy-five:1
cover 1 seems:1 safe:1 crookedest:1 river:1 part:1 journey:1 uses:1 ground:1 crow:1 fly:1 six:1 seventy-five:1
ground 1 seems:1 safe:1 crookedest:1 river:1 part:1 journey:1 uses:1 cover:1 crow:1 fly:1 six:1 seventy-five:1
crow 1 seems:1 safe:1 crookedest:1 river:1 part:1 journey:1 uses:1 cover:1 ground:1 fly:1 six:1 seventy-five:1
fly 1 seems:1 safe:1 crookedest:1 river:1 part:1 journey:1 uses:1 cover:1 ground:1 crow:1 six:1 seventy-five:1
six 1 seems:1 safe:1 crookedest:1 river:1 part:1 journey:1 uses:1 cover:1 ground:1 crow:1 fly:1 seventy-five:1
seventy-five 1 seems:1 safe:1 crookedest:1 river:1 part:1 journey:1 uses:1 cover:1 ground:1 crow:1 fly:1 six:1
discharges 1 water:1 st:1
st 1 discharges:1 water:1
lawrence 1 twenty-five:1 rhine:1 thirty-eight:1 thames:1
twenty-five 1 lawrence:1 rhine:1 thirty-eight:1 thames:1
rhine 1 lawrence:1 twenty-five:1 thirty-eight:1 thames:1
thirty-eight 1 lawrence:1 twenty-five:1 rhine:1 thames:1
thames 1 lawrence:1 twenty-five:1 rhine:1 thirty-eight:1
draws 1 river:1 vast:1 drainage-basin::1 water:1 supply:1 twenty-eight:1 states:1 territories:1 delaware:1 atlantic:1 seaboard:1 country:1 idaho:1 pacific:1 slope--a:1 spread:1 forty-five:1 degrees:1 longitude:1
supply 1 river:1 vast:1 drainage-basin::1 water:1 draws:1 twenty-eight:1 states:1 territories:1 delaware:1 atlantic:1 seaboard:1 country:1 idaho:1 pacific:1 slope--a:1 spread:1 forty-five:1 degrees:1 longitude:1
twenty-eight 1 river:1 vast:1 drainage-basin::1 water:1 draws:1 supply:1 states:1 territories:1 delaware:1 atlantic:1 seaboard:1 country:1 idaho:1 pacific:1 slope--a:1 spread:1 forty-five:1 degrees:1 longitude:1
territories 1 river:1 vast:1 drainage-basin::1 water:1 draws:1 supply:1 twenty-eight:1 states:1 delaware:1 atlantic:1 seaboard:1 country:1 idaho:1 pacific:1 slope--a:1 spread:1 forty-five:1 degrees:1 longitude:1
delaware 1 river:1 vast:1 drainage-basin::1 water:1 draws:1 supply:1 twenty-eight:1 states:1 territories:1 atlantic:1 seaboard:1 country:1 idaho:1 pacific:1 slope--a:1 spread:1 forty-five:1 degrees:1 longitude:1
atlantic 1 river:1 vast:1 drainage-basin::1 water:1 draws:1 supply:1 twenty-eight:1 states:1 territories:1 delaware:1 seaboard:1 country:1 idaho:1 pacific:1 slope--a:1 spread:1 forty-five:1 degrees:1 longitude:1
seaboard 1 river:1 vast:1 drainage-basin::1 water:1 draws:1 supply:1 twenty-eight:1 states:1 territories:1 delaware:1 atlantic:1 country:1 idaho:1 pacific:1 slope--a:1 spread:1 forty-five:1 degrees:1 longitude:1
country 1 river:1 vast:1 drainage-basin::1 water:1 draws:1 supply:1 twenty-eight:1 states:1 territories:1 delaware:1 atlantic:1 seaboard:1 idaho:1 pacific:1 slope--a:1 spread:1 forty-five:1 degrees:1 longitude:1
idaho 1 river:1 vast:1 drainage-basin::1 water:1 draws:1 supply:1 twenty-eight:1 states:1 territories:1 delaware:1 atlantic:1 seaboard:1 country:1 pacific:1 slope--a:1 spread:1 forty-five:1 degrees:1 longitude:1
pacific 1 river:1 vast:1 drainage-basin::1 water:1 draws:1 supply:1 twenty-eight:1 states:1 territories:1 delaware:1 atlantic:1 seaboard:1 country:1 idaho:1 slope--a:1 spread:1 forty-five:1 degrees:1 longitude:1
spread 1 river:1 vast:1 drainage-basin::1 water:1 draws:1 supply:1 twenty-eight:1 states:1 territories:1 delaware:1 atlantic:1 seaboard:1 country:1 idaho:1 pacific:1 slope--a:1 forty-five:1 degrees:1 longitude:1
degrees 1 river:1 vast:1 drainage-basin::1 water:1 draws:1 supply:1 twenty-eight:1 states:1 territories:1 delaware:1 atlantic:1 seaboard:1 country:1 idaho:1 pacific:1 slope--a:1 spread:1 forty-five:1 longitude:1
longitude 1 river:1 vast:1 drainage-basin::1 water:1 draws:1 supply:1 twenty-eight:1 states:1 territories:1 delaware:1 atlantic:1 seaboard:1 country:1 idaho:1 pacific:1 slope--a:1 spread:1 forty-five:1 degrees:1
receives 1 mississippi:1 carries:1 gulf:1 water:1 fifty-four:1 subordinate:1 rivers:1 navigable:1 steamboats:1 hundreds:1 flats:1 keels:1
gulf 1 mississippi:1 receives:1 carries:1 water:1 fifty-four:1 subordinate:1 rivers:1 navigable:1 steamboats:1 hundreds:1 flats:1 keels:1
fifty-four 1 mississippi:1 receives:1 carries:1 gulf:1 water:1 subordinate:1 rivers:1 navigable:1 steamboats:1 hundreds:1 flats:1 keels:1
subordinate 1 mississippi:1 receives:1 carries:1 gulf:1 water:1 fifty-four:1 rivers:1 navigable:1 steamboats:1 hundreds:1 flats:1 keels:1
rivers 1 mississippi:1 receives:1 carries:1 gulf:1 water:1 fifty-four:1 subordinate:1 navigable:1 steamboats:1 hundreds:1 flats:1 keels:1
navigable 1 mississippi:1 receives:1 carries:1 gulf:1 water:1 fifty-four:1 subordinate:1 rivers:1 steamboats:1 hundreds:1 flats:1 keels:1
steamboats 1 mississippi:1 receives:1 carries:1 gulf:1 water:1 fifty-four:1 subordinate:1 rivers:1 navigable:1 hundreds:1 flats:1 keels:1
hundreds 1 mississippi:1 receives:1 carries:1 gulf:1 water:1 fifty-four:1 subordinate:1 rivers:1 navigable:1 steamboats:1 flats:1 keels:1
flats 1 mississippi:1 receives:1 carries:1 gulf:1 water:1 fifty-four:1 subordinate:1 rivers:1 navigable:1 steamboats:1 hundreds:1 keels:1
keels 1 mississippi:1 receives:1 carries:1 gulf:1 water:1 fifty-four:1 subordinate:1 rivers:1 navigable:1 steamboats:1 hundreds:1 flats:1
combined 1 area:1 drainage-basin:1 areas:1 england:1 wales:1 scotland:1 ireland:1 france:1 spain:1 portugal:1 germany:1 austria:1 italy:1 turkey:1 almost:1 wide:1 region:1 fertile:1 mississippi:1 valley:1 proper:1 exceptionally:1
areas 1 area:1 drainage-basin:1 combined:1 england:1 wales:1 scotland:1 ireland:1 france:1 spain:1 portugal:1 germany:1 austria:1 italy:1 turkey:1 almost:1 wide:1 region:1 fertile:1 mississippi:1 valley:1 proper:1 exceptionally:1
england 1 area:1 drainage-basin:1 combined:1 areas:1 wales:1 scotland:1 ireland:1 france:1 spain:1 portugal:1 germany:1 austria:1 italy:1 turkey:1 almost:1 wide:1 region:1 fertile:1 mississippi:1 valley:1 proper:1 exceptionally:1
wales 1 area:1 drainage-basin:1 combined:1 areas:1 england:1 scotland:1 ireland:1 france:1 spain:1 portugal:1 germany:1 austria:1 italy:1 turkey:1 almost:1 wide:1 region:1 fertile:1 mississippi:1 valley:1 proper:1 exceptionally:1
scotland 1 area:1 drainage-basin:1 combined:1 areas:1 england:1 wales:1 ireland:1 france:1 spain:1 portugal:1 germany:1 austria:1 italy:1 turkey:1 almost:1 wide:1 region:1 fertile:1 mississippi:1 valley:1 proper:1 exceptionally:1
ireland 1 area:1 drainage-basin:1 combined:1 areas:1 england:1 wales:1 scotland:1 france:1 spain:1 portugal:1 germany:1 austria:1 italy:1 turkey:1 almost:1 wide:1 region:1 fertile:1 mississippi:1 valley:1 proper:1 exceptionally:1
france 1 area:1 drainage-basin:1 combined:1 areas:1 england:1 wales:1 scotland:1 ireland:1 spain:1 portugal:1 germany:1 austria:1 italy:1 turkey:1 almost:1 wide:1 region:1 fertile:1 mississippi:1 valley:1 proper:1 exceptionally:1
spain 1 area:1 drainage-basin:1 combined:1 areas:1 england:1 wales:1 scotland:1 ireland:1 france:1 portugal:1 germany:1 austria:1 italy:1 turkey:1 almost:1 wide:1 region:1 fertile:1 mississippi:1 valley:1 proper:1 exceptionally:1
portugal 1 area:1 drainage-basin:1 combined:1 areas:1 england:1 wales:1 scotland:1 ireland:1 france:1 spain:1 germany:1 aust